mirror of https://github.com/gnss-sdr/gnss-sdr
168 lines
5.8 KiB
C++
168 lines
5.8 KiB
C++
/*!
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* \file gps_l2_m_dll_pll_tracking_test.cc
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* \brief This class implements a tracking test for Galileo_E5a_DLL_PLL_Tracking
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* implementation based on some input parameters.
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* \author Javier Arribas, 2015. jarribas(at)cttc.es
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*
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2012-2015 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include <ctime>
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#include <iostream>
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#include <gnuradio/top_block.h>
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#include <gnuradio/blocks/file_source.h>
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#include <gnuradio/analog/sig_source_waveform.h>
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#include <gnuradio/analog/sig_source_c.h>
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#include <gnuradio/msg_queue.h>
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#include <gnuradio/blocks/null_sink.h>
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#include <gnuradio/blocks/skiphead.h>
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#include <gtest/gtest.h>
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#include "gnss_block_factory.h"
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#include "gnss_block_interface.h"
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#include "tracking_interface.h"
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#include "in_memory_configuration.h"
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#include "gnss_sdr_valve.h"
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#include "gnss_synchro.h"
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#include "gps_l2_m_dll_pll_tracking.h"
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class GpsL2MDllPllTrackingTest: public ::testing::Test
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{
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protected:
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GpsL2MDllPllTrackingTest()
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{
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factory = std::make_shared<GNSSBlockFactory>();
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config = std::make_shared<InMemoryConfiguration>();
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item_size = sizeof(gr_complex);
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stop = false;
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message = 0;
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}
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~GpsL2MDllPllTrackingTest()
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{}
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void init();
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gr::msg_queue::sptr queue;
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gr::top_block_sptr top_block;
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std::shared_ptr<GNSSBlockFactory> factory;
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std::shared_ptr<InMemoryConfiguration> config;
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Gnss_Synchro gnss_synchro;
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size_t item_size;
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concurrent_queue<int> channel_internal_queue;
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bool stop;
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int message;
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};
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void GpsL2MDllPllTrackingTest::init()
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{
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gnss_synchro.Channel_ID = 0;
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gnss_synchro.System = 'G';
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std::string signal = "2S";
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signal.copy(gnss_synchro.Signal, 2, 0);
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gnss_synchro.PRN = 7;
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config->set_property("GNSS-SDR.internal_fs_hz", "5000000");
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config->set_property("Tracking_GPS.item_type", "gr_complex");
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config->set_property("Tracking_GPS.dump", "true");
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config->set_property("Tracking_GPS.dump_filename", "../data/L2m_tracking_ch_");
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config->set_property("Tracking_GPS.implementation", "GPS_L2_M_DLL_PLL_Tracking");
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config->set_property("Tracking_GPS.early_late_space_chips", "0.5");
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config->set_property("Tracking_GPS.order", "2");
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config->set_property("Tracking_GPS.pll_bw_hz", "2");
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config->set_property("Tracking_GPS.dll_bw_hz", "0.5");
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}
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TEST_F(GpsL2MDllPllTrackingTest, ValidationOfResults)
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{
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struct timeval tv;
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long long int begin = 0;
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long long int end = 0;
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int fs_in = 5000000;
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int nsamples = fs_in*9;
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init();
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queue = gr::msg_queue::make(0);
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top_block = gr::make_top_block("Tracking test");
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std::shared_ptr<TrackingInterface> tracking = std::make_shared<GpsL2MDllPllTracking>(config.get(), "Tracking_GPS", 1, 1, queue);
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//REAL
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gnss_synchro.Acq_delay_samples = 1;
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gnss_synchro.Acq_doppler_hz = 1200;//1200;
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gnss_synchro.Acq_samplestamp_samples = 0;
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ASSERT_NO_THROW( {
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tracking->set_channel(gnss_synchro.Channel_ID);
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}) << "Failure setting channel." << std::endl;
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ASSERT_NO_THROW( {
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tracking->set_gnss_synchro(&gnss_synchro);
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}) << "Failure setting gnss_synchro." << std::endl;
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ASSERT_NO_THROW( {
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tracking->set_channel_queue(&channel_internal_queue);
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}) << "Failure setting channel_internal_queue." << std::endl;
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ASSERT_NO_THROW( {
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tracking->connect(top_block);
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}) << "Failure connecting tracking to the top_block." << std::endl;
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ASSERT_NO_THROW( {
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//gr::analog::sig_source_c::sptr source = gr::analog::sig_source_c::make(fs_in, gr::analog::GR_SIN_WAVE, 1000, 1, gr_complex(0));
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std::string path = std::string(TEST_PATH);
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//std::string file = path + "signal_samples/GSoC_CTTC_capture_2012_07_26_4Msps_4ms.dat";
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//std::string file = "/datalogger/signals/Fraunhofer/L125_III1b_210s_L2_resampled.bin";
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std::string file = path + "/data/gps_l2c_m_prn7_5msps.dat";
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const char * file_name = file.c_str();
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gr::blocks::file_source::sptr file_source = gr::blocks::file_source::make(sizeof(gr_complex), file_name, false);
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boost::shared_ptr<gr::block> valve = gnss_sdr_make_valve(sizeof(gr_complex), nsamples, queue);
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gr::blocks::null_sink::sptr sink = gr::blocks::null_sink::make(sizeof(Gnss_Synchro));
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top_block->connect(file_source, 0, valve, 0);
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top_block->connect(valve, 0, tracking->get_left_block(), 0);
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top_block->connect(tracking->get_right_block(), 0, sink, 0);
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}) << "Failure connecting the blocks of tracking test." << std::endl;
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tracking->start_tracking();
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EXPECT_NO_THROW( {
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gettimeofday(&tv, NULL);
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begin = tv.tv_sec *1000000 + tv.tv_usec;
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top_block->run(); // Start threads and wait
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gettimeofday(&tv, NULL);
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end = tv.tv_sec *1000000 + tv.tv_usec;
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}) << "Failure running the top_block." << std::endl;
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std::cout << "Tracked " << nsamples << " samples in " << (end - begin) << " microseconds" << std::endl;
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}
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